Teach mojo::Watcher in URLResponseBodyConsumer the correct task runner

content/child/url_response_body_consumer_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/url_response_body_consumer.h"
 
 #include "base/bind.h"
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 117 matching lines @@
 };
 
 TEST_F(URLResponseBodyConsumerTest, ReceiveData) {
   TestRequestPeer::Context context;
   std::unique_ptr<RequestInfo> request_info(CreateRequestInfo());
   int request_id = SetUpRequestPeer(*request_info, &context);
   mojo::DataPipe data_pipe(CreateDataPipeOptions());
 
   scoped_refptr<URLResponseBodyConsumer> consumer(new URLResponseBodyConsumer(
       request_id, dispatcher_.get(), std::move(data_pipe.consumer_handle),
-      message_loop_.task_runner().get()));
+      message_loop_.task_runner()));
 
   mojo::ScopedDataPipeProducerHandle writer =
       std::move(data_pipe.producer_handle);
   std::string buffer = "hello";
   uint32_t size = buffer.size();
   MojoResult result =
       mojo::WriteDataRaw(writer.get(), buffer.c_str(), &size, kNone);
   ASSERT_EQ(MOJO_RESULT_OK, result);
   ASSERT_EQ(buffer.size(), size);
 
   Run(&context);
 
   EXPECT_FALSE(context.complete);
   EXPECT_EQ("hello", context.data);
 }
 
 TEST_F(URLResponseBodyConsumerTest, OnCompleteThenClose) {
   TestRequestPeer::Context context;
   std::unique_ptr<RequestInfo> request_info(CreateRequestInfo());
   int request_id = SetUpRequestPeer(*request_info, &context);
   mojo::DataPipe data_pipe(CreateDataPipeOptions());
 
   scoped_refptr<URLResponseBodyConsumer> consumer(new URLResponseBodyConsumer(
       request_id, dispatcher_.get(), std::move(data_pipe.consumer_handle),
-      message_loop_.task_runner().get()));
+      message_loop_.task_runner()));
 
   consumer->OnComplete(ResourceRequestCompletionStatus());
   mojo::ScopedDataPipeProducerHandle writer =
       std::move(data_pipe.producer_handle);
   std::string buffer = "hello";
   uint32_t size = buffer.size();
   MojoResult result =
       mojo::WriteDataRaw(writer.get(), buffer.c_str(), &size, kNone);
   ASSERT_EQ(MOJO_RESULT_OK, result);
   ASSERT_EQ(buffer.size(), size);
@@ skipping 11 matching lines @@
 }
 
 TEST_F(URLResponseBodyConsumerTest, CloseThenOnComplete) {
   TestRequestPeer::Context context;
   std::unique_ptr<RequestInfo> request_info(CreateRequestInfo());
   int request_id = SetUpRequestPeer(*request_info, &context);
   mojo::DataPipe data_pipe(CreateDataPipeOptions());
 
   scoped_refptr<URLResponseBodyConsumer> consumer(new URLResponseBodyConsumer(
       request_id, dispatcher_.get(), std::move(data_pipe.consumer_handle),
-      message_loop_.task_runner().get()));
+      message_loop_.task_runner()));
 
   ResourceRequestCompletionStatus status;
   status.error_code = net::ERR_FAILED;
   data_pipe.producer_handle.reset();
   consumer->OnComplete(status);
 
   Run(&context);
 
   EXPECT_TRUE(context.complete);
   EXPECT_EQ(net::ERR_FAILED, context.error_code);
   EXPECT_EQ("", context.data);
 }
 
 }  // namespace
 
 }  // namespace content